screen size:4 inch Resolution:800*480 video display:H.265/H.264, 4K Power supply:DC12V 3A PoE power output:DC48V Working Humidity:30%-90% Network test:Link monitor, port flashing, Ping test Battery:Built-in 7.4V Lithium polymer battery , 2400mAh Rechargeable:After charging 4~5 hours, normal working time 8 hours Dimension/Weight:126mm x 83mm x 33mm / 0.32kg Show More